Re: invalidating cached plans

From: Oliver Jowett <oliver(at)opencloud(dot)com>
To: Neil Conway <neilc(at)samurai(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: invalidating cached plans
Date: 2005-03-15 04:06:35
Message-ID: 42365F4B.3070001@opencloud.com
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Neil Conway wrote:

> - it is the responsibility of the call site managing the prepared plan
> to check whether a previously prepared plan is invalid or not -- and to
> take the necessary steps to replan it when needed.

Does this mean that clients that use PREPARE/Parse need to handle "plan
invalidated" as a possible response to EXECUTE/Bind, or will the backend
keep the query string / parse tree around and replan on next execution?

-O

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